N4000 Firewall Router
Overview
Product sourcing insights & recommendations
The N4000 firewall router serves as a budget-friendly, energy-efficient entry point for DIY network security, though it is increasingly being outperformed by newer N100-based hardware in the 2026 market. While it excels in 1Gbps routing and silent 24/7 operation with its 6W TDP fanless design, it hits its limits when tasked with sustained 2.5Gbps throughput or heavy packet inspection.
I have compiled a comprehensive report below detailing technical specifications, sourcing pricing from verified suppliers, and current 2026 market trends, including the impact of recent FCC regulatory shifts on network hardware imports.
Here is your detailed analysis of the N4000 firewall router. You can continue with:
N4000 Firewall Router 2.5g Ports Pfsense Opnsense Mini Pc
Products · Top picks & verified manufacturers
Celeron J4125 N4000 N2600 J5025ES 4LAN 2.5G I226 Gigabit Commercial Firewall Mini Router Expandable 4G 5G Module Pfsense OpenWRT
Dongguan Mini Tree Computer Manufacturing Co., Ltd.🇨🇳CN7 yrs
Factory OEM Intel Celeron N4000 Dual Core 4 Lan 2.5GbE Network Security Router ROS PfSense Firewall
Shineman Technology(Shenzhen) Co., LTD🇨🇳CN2 yrs
6 LAN 2.5G Intel I225V Nic Industrial Enterprise Pfsense Firewall Router Gateway Core I3 I5 I7 1165G7 RS232 RS485 GPIO Mini PC
Shenzhen Innovative Cloud Computer Co., Ltdverified🇨🇳CN15 yrs
Pocket 2.5G Router Pentium N6005 Celeron N5105 4x Intel I226-V Firewall Box Mini PC OPNsense ESXi
Shenzhen Evr Tech Co., Ltd.🇨🇳CN9 yrs
China Factory 4 Lans J4125 N4000 Firewall Router Mini Pc DP+ Dual Display J4125 N4000 Fanless min Pc Nuc
Botu (shenzhen) Intelligent Technology Co., Ltd.verified🇨🇳CN7 yrs
Fanless Network Appliance Intel N150 6x2.5G I226-V LAN Mini PC DDR5 Industrial Firewall Router PC for OPNsense pfSense
Shenzhen Ebenda Technology Co., Ltd.🇨🇳CN2 yrs
CWWK F9 Firewall Pfsense Router Fanless Mini PC N150 6 X I226-V 2.5GbE LAN DDR5 NVMe OPNsense Hardware Micro Firewall Appliance
Shenzhen Changwang Weikong Technology Co., Ltd.🇨🇳CN1 yr
4lan I225V/i226V In-tel 12th Gen N100 PfSense Firewall Appliance DDR4 NVme Mini Industrial Computer PfSense Pc Router
Shenzhen Wanlan Technology Co., Ltd.🇨🇳CN5 yrs
Firewall Router PfSense OPNsense Mini PC 6*2.5G Lan Intel 12th Gen N150 N100 N300 N305 1*DDR5 RS232 Industrial Fanless Mini PC
Shenzhen Piesia Electronic Technology Co., Ltd.verified🇨🇳CN14 yrs
Partaker Firewall Mini PC 14th Gen Ultra 7 155H 6x2.5G 2/4 SFP Firewall Router OPNsense Proxmox WIFI 4G/5G
Shenzhen Inctel Technology Co., Ltd.🇨🇳CN14 yrs
Fanless Industrial Mini PC Firewall Router X86 Hardware for Mikrotik Intel N150 DDR5 NVMe SSD 6x2.5G Ethernet
Wonshiner Agri Volt Co., Limited🇭🇰HK1 yr
MAITUO Network Security Opnsense/Pfsense Firewall Appliance Intel i3-N305 DDR5 RAM 6 Ports SD-WAN Router/uCPE Desktop Mini PC
Shenzhen MAlTUO Technology Co., Ltd.🇨🇳CN2 yrs
BKHD G31F Smart Fan Soft Router Firewall Mini PC, Intel Celeron N5105 J6412 7305 4 LAN 2.5G I226V Network Appliance
Shenzhen Beikong Industrial Control Co., Ltd.🇨🇳CN4 yrs
HelorPC X86 Firewall Router In-tel I7 8 Gigabit Ethernet USB3.0 PfSense Mini PC Network Server Multi-NIC Appliance
Shenzhen HeRui Cloud Electronic Technology Co., Ltd.🇨🇳CN1 yr
Guanfeng 1U 9.5 Inch Rack-mounted Firewall Appliance Router Mini PC In-tel N305 N355 Gateway Network Security Server
Guanfeng Network Technology (shenzhen) Co., Ltd.🇨🇳CN8 yrs
Portable Mini Server N100 4 2.5G LAN Mini PC Firewall Router with 1HD 1DP 3M.2 Supports Win 10 11 in Stock
Shenzhen Iwill Technology Co., Ltd.verified🇨🇳CN21 yrs
KTB RS485 RS232 Dual COM Fanless X86 Firewall Router Pfsense I3-8130U I5-8260U 8365U I7-8560U Embedded Industrial MINI PCS NUC IPC Industrial Computer Accessories
Beijing Kangtai Bokong Technology Co., Ltd.🇨🇳CN3 yrs
Industrial Firewall Router 10th Gen Core I3 I5 I7 6 Gigabit Nic Mini Pc Pfsense with I225 2.5G Lan 4*POE Wifi 5G Optional
Yanling Industrial Computer Technology (shenzhen) Co., Ltd.verified🇨🇳CN11 yrs
4*2.5GbE LAN Pfsense Firewall Router Fanless Industrial Mini PC Embedded PC 8G RAM 256GSSD HD VGA Dual Display Firewall Router
Shenzhen Youchuangtong Information Technology Co., Ltd.verified🇨🇳CN8 yrs
Intel N100 DDR4 MSATA 4 Ethernet Lan RS232 COM Fanless Firewall Mini PC Computer Router Network Pfsense Server
Shenzhen Helor Cloud Computer Co., Ltd.🇨🇳CN8 yrs
Factory Sale 1U Mini Pc J4125 4lan Rj45 I226V Quad Core OEM/ODM logo 1u Rack Mount Firewall Pfsense Aes-ni Router
Shenzhen Innovision Technology Co., Ltd.🇨🇳CN10 yrs
2024 1U Firewall 6 Lan 2.5G 1U Rack Firewall Appliance Router Pc 1U Rack Mount PfSense Firewall OPNsense Linux Compatible
ZZY J4125 Barebone DDR4 MSATA SATA Intel I211 1G NICs 4G/5G SIM Slots Firewall Appliance Opnsense Pfsense Linux Operating
Huizhou Zhizhenyuan Technology Co., Ltd.🇨🇳CN3 yrs
Ready to ship 6 lan mini firewall router industrial network firewalls 4405U network appliance pfsense firewall 6 NIC lan ports
Aistone (shenzhen) Network Technology Co., Ltd.🇨🇳CN2 yrs
4X10Gb Sfp+ Intel N100 4Xrj45 2.5Gbe 8Gb 16Gb Ram 128Gb 256Gb 512Gb 1Tb Ssd 4 Port Sfp Pfsense Firewall Router With Sfp
Shenzhen Yuanze Technology Co., Ltd.🇨🇳CN3 yrs
6*Intel I226-V 2.5G Fanless Mini Pc J4125 J6412 I5 7200U Firewall Router Network System Pc
Shenzhen LIMYEE Technology Co., Ltd.verified🇨🇳CN10 yrs
Enterprise Soft Router Intel 4200U 5200U 4* I210 1000Mb LAN NIC PfSense OPNsense Firewall PC for Home Lab SMB Network Security
Shenzhen Zhisheng Intelligent Technology Co., Ltd.🇨🇳CN4 yrs
1U Rackmount Fanless Firewall Appliance Intel J4125 N95 N97 4 GbE LAN SFP PfSense OPNsense Network Security Gateway
Yentek (shenzhen) Technology Co., Ltd.verified🇨🇳CN9 yrs
XLW Factory Pfsense Firewall Intel J4125 J6412 DDR3 Mini PCIE 6 LAN 1U Server Router PC with Win7 10 Linux Ubuntu VGA MSATA
Shenzhen Xinliwei Electronics Technology Co., Ltd🇨🇳CN6 yrs
Mini Fanless Industrial Firewall Router with 6 LAN Ports Intel I5-7200U Processor Industrial Computer Accessories in Stock
Shenzhen Lingnuo Intelligent Control Technology Co., Ltd.verified🇨🇳CN3 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
27 sources cited · Verified industry data & reports
China N100 Firewall Router Suppliers, Manufacturers ...
Iwill Technology (Hongkong) Limited
This N100 Firewall Router equipped with Intel 12th generation Alder Lake-N N100 processor, 4 Cores 4 Threads, up to 3.40GHz, less than 10 watts of power under ...
Will a N4000 be sufficient for 2.5g routing? : r/PFSENSE
Reddit · r/PFSENSE
I'm planning on buying a "firewall" from aliexpress. They state it has a N4000. Will this and 16gb ram be sufficient for 2.5g routing? What about a J4125?
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N100 4 Core Firewall Router
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Intel® Celeron® Processor N4000
Intel
Processor Number. N4000. Lithography. 14 nm. CPU Specifications. Total Cores. 2. Total Threads. 2. Burst Frequency. 2.60 GHz. Processor Base Frequency. 1.10 GHz.
Celeron N4000 Firewall Micro Appliance, Mini PC ...
Amazon.com
Celeron N4000 Firewall Micro Appliance, Mini PC, Nano PC, Router PC with 8G RAM 256G SSD, 4 RJ45 Port DP HDMI AES-NI Compatible with Pfsense OPNsense.